export declare class WebSensor {
    start: () => void;
    stop: () => void;
    addEventListener: (eventType: string, eventHandler: () => void) => void;
    quaternion: [number, number, number, number];
    x: number;
    y: number;
    z: number;
}
type configOptions = {
    referenceFrame: string;
    frequency?: undefined;
} | {
    frequency: number;
    referenceFrame?: undefined;
};
interface Constructable<T> {
    new (config: configOptions): T;
}
declare global {
    interface Window {
        Accelerometer: Constructable<WebSensor>;
        GravitySensor: Constructable<WebSensor>;
        Gyroscope: Constructable<WebSensor>;
        Magnetometer: Constructable<WebSensor>;
        AbsoluteOrientationSensor: Constructable<WebSensor>;
        Sensor: Constructable<WebSensor>;
        opera?: string;
    }
}
export {};
